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-rw-r--r--src/tinydir/tinydir.h838
1 files changed, 838 insertions, 0 deletions
diff --git a/src/tinydir/tinydir.h b/src/tinydir/tinydir.h
new file mode 100644
index 0000000..ba20c3e
--- /dev/null
+++ b/src/tinydir/tinydir.h
@@ -0,0 +1,838 @@
+/*
+Copyright (c) 2013-2021, tinydir authors:
+- Cong Xu
+- Lautis Sun
+- Baudouin Feildel
+- Andargor <andargor@yahoo.com>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef TINYDIR_H
+#define TINYDIR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if ((defined _UNICODE) && !(defined UNICODE))
+#define UNICODE
+#endif
+
+#if ((defined UNICODE) && !(defined _UNICODE))
+#define _UNICODE
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef _MSC_VER
+# ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+# endif
+# include <windows.h>
+# include <tchar.h>
+# pragma warning(push)
+# pragma warning (disable : 4996)
+#else
+# include <dirent.h>
+# include <libgen.h>
+# include <sys/stat.h>
+# include <stddef.h>
+#endif
+#ifdef __MINGW32__
+# include <tchar.h>
+#endif
+
+
+/* types */
+
+/* Windows UNICODE wide character support */
+#if defined _MSC_VER || defined __MINGW32__
+# define _tinydir_char_t TCHAR
+# define TINYDIR_STRING(s) _TEXT(s)
+# define _tinydir_strlen _tcslen
+# define _tinydir_strcpy _tcscpy
+# define _tinydir_strcat _tcscat
+# define _tinydir_strcmp _tcscmp
+# define _tinydir_strrchr _tcsrchr
+# define _tinydir_strncmp _tcsncmp
+#else
+# define _tinydir_char_t char
+# define TINYDIR_STRING(s) s
+# define _tinydir_strlen strlen
+# define _tinydir_strcpy strcpy
+# define _tinydir_strcat strcat
+# define _tinydir_strcmp strcmp
+# define _tinydir_strrchr strrchr
+# define _tinydir_strncmp strncmp
+#endif
+
+#if (defined _MSC_VER || defined __MINGW32__)
+# include <windows.h>
+# define _TINYDIR_PATH_MAX MAX_PATH
+#elif defined __linux__
+# include <limits.h>
+# ifdef PATH_MAX
+# define _TINYDIR_PATH_MAX PATH_MAX
+# endif
+#elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+# include <sys/param.h>
+# if defined(BSD)
+# include <limits.h>
+# ifdef PATH_MAX
+# define _TINYDIR_PATH_MAX PATH_MAX
+# endif
+# endif
+#endif
+
+#ifndef _TINYDIR_PATH_MAX
+#define _TINYDIR_PATH_MAX 4096
+#endif
+
+#ifdef _MSC_VER
+/* extra chars for the "\\*" mask */
+# define _TINYDIR_PATH_EXTRA 2
+#else
+# define _TINYDIR_PATH_EXTRA 0
+#endif
+
+#define _TINYDIR_FILENAME_MAX 256
+
+#if (defined _MSC_VER || defined __MINGW32__)
+#define _TINYDIR_DRIVE_MAX 3
+#endif
+
+#ifdef _MSC_VER
+# define _TINYDIR_FUNC static __inline
+#elif !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+# define _TINYDIR_FUNC static __inline__
+#elif defined(__cplusplus)
+# define _TINYDIR_FUNC static inline
+#elif defined(__GNUC__)
+/* Suppress unused function warning */
+# define _TINYDIR_FUNC __attribute__((unused)) static
+#else
+# define _TINYDIR_FUNC static
+#endif
+
+/* readdir_r usage; define TINYDIR_USE_READDIR_R to use it (if supported) */
+#ifdef TINYDIR_USE_READDIR_R
+
+/* readdir_r is a POSIX-only function, and may not be available under various
+ * environments/settings, e.g. MinGW. Use readdir fallback */
+#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE ||\
+ _POSIX_SOURCE
+# define _TINYDIR_HAS_READDIR_R
+#endif
+#if _POSIX_C_SOURCE >= 200112L
+# define _TINYDIR_HAS_FPATHCONF
+# include <unistd.h>
+#endif
+#if _BSD_SOURCE || _SVID_SOURCE || \
+ (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700)
+# define _TINYDIR_HAS_DIRFD
+# include <sys/types.h>
+#endif
+#if defined _TINYDIR_HAS_FPATHCONF && defined _TINYDIR_HAS_DIRFD &&\
+ defined _PC_NAME_MAX
+# define _TINYDIR_USE_FPATHCONF
+#endif
+#if defined __MINGW32__ || !defined _TINYDIR_HAS_READDIR_R ||\
+ !(defined _TINYDIR_USE_FPATHCONF || defined NAME_MAX)
+# define _TINYDIR_USE_READDIR
+#endif
+
+/* Use readdir by default */
+#else
+# define _TINYDIR_USE_READDIR
+#endif
+
+/* MINGW32 has two versions of dirent, ASCII and UNICODE*/
+#ifndef _MSC_VER
+#if (defined __MINGW32__) && (defined _UNICODE)
+#define _TINYDIR_DIR _WDIR
+#define _tinydir_dirent _wdirent
+#define _tinydir_opendir _wopendir
+#define _tinydir_readdir _wreaddir
+#define _tinydir_closedir _wclosedir
+#else
+#define _TINYDIR_DIR DIR
+#define _tinydir_dirent dirent
+#define _tinydir_opendir opendir
+#define _tinydir_readdir readdir
+#define _tinydir_closedir closedir
+#endif
+#endif
+
+/* Allow user to use a custom allocator by defining _TINYDIR_MALLOC and _TINYDIR_FREE. */
+#if defined(_TINYDIR_MALLOC) && defined(_TINYDIR_FREE)
+#elif !defined(_TINYDIR_MALLOC) && !defined(_TINYDIR_FREE)
+#else
+#error "Either define both alloc and free or none of them!"
+#endif
+
+#if !defined(_TINYDIR_MALLOC)
+ #define _TINYDIR_MALLOC(_size) malloc(_size)
+ #define _TINYDIR_FREE(_ptr) free(_ptr)
+#endif /* !defined(_TINYDIR_MALLOC) */
+
+typedef struct tinydir_file
+{
+ _tinydir_char_t path[_TINYDIR_PATH_MAX];
+ _tinydir_char_t name[_TINYDIR_FILENAME_MAX];
+ _tinydir_char_t *extension;
+ int is_dir;
+ int is_reg;
+
+#ifndef _MSC_VER
+#ifdef __MINGW32__
+ struct _stat _s;
+#else
+ struct stat _s;
+#endif
+#endif
+} tinydir_file;
+
+typedef struct tinydir_dir
+{
+ _tinydir_char_t path[_TINYDIR_PATH_MAX];
+ int has_next;
+ size_t n_files;
+
+ tinydir_file *_files;
+#ifdef _MSC_VER
+ HANDLE _h;
+ WIN32_FIND_DATA _f;
+#else
+ _TINYDIR_DIR *_d;
+ struct _tinydir_dirent *_e;
+#ifndef _TINYDIR_USE_READDIR
+ struct _tinydir_dirent *_ep;
+#endif
+#endif
+} tinydir_dir;
+
+
+/* declarations */
+
+_TINYDIR_FUNC
+int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path);
+_TINYDIR_FUNC
+int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path);
+_TINYDIR_FUNC
+void tinydir_close(tinydir_dir *dir);
+
+_TINYDIR_FUNC
+int tinydir_next(tinydir_dir *dir);
+_TINYDIR_FUNC
+int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file);
+_TINYDIR_FUNC
+int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i);
+_TINYDIR_FUNC
+int tinydir_open_subdir_n(tinydir_dir *dir, size_t i);
+
+_TINYDIR_FUNC
+int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path);
+_TINYDIR_FUNC
+void _tinydir_get_ext(tinydir_file *file);
+_TINYDIR_FUNC
+int _tinydir_file_cmp(const void *a, const void *b);
+#ifndef _MSC_VER
+#ifndef _TINYDIR_USE_READDIR
+_TINYDIR_FUNC
+size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp);
+#endif
+#endif
+
+
+/* definitions*/
+
+_TINYDIR_FUNC
+int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path)
+{
+#ifndef _MSC_VER
+#ifndef _TINYDIR_USE_READDIR
+ int error;
+ int size; /* using int size */
+#endif
+#else
+ _tinydir_char_t path_buf[_TINYDIR_PATH_MAX];
+#endif
+ _tinydir_char_t *pathp;
+
+ if (dir == NULL || path == NULL || _tinydir_strlen(path) == 0)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX)
+ {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ /* initialise dir */
+ dir->_files = NULL;
+#ifdef _MSC_VER
+ dir->_h = INVALID_HANDLE_VALUE;
+#else
+ dir->_d = NULL;
+#ifndef _TINYDIR_USE_READDIR
+ dir->_ep = NULL;
+#endif
+#endif
+ tinydir_close(dir);
+
+ _tinydir_strcpy(dir->path, path);
+ /* Remove trailing slashes */
+ pathp = &dir->path[_tinydir_strlen(dir->path) - 1];
+ while (pathp != dir->path && (*pathp == TINYDIR_STRING('\\') || *pathp == TINYDIR_STRING('/')))
+ {
+ *pathp = TINYDIR_STRING('\0');
+ pathp++;
+ }
+#ifdef _MSC_VER
+ _tinydir_strcpy(path_buf, dir->path);
+ _tinydir_strcat(path_buf, TINYDIR_STRING("\\*"));
+#if (defined WINAPI_FAMILY) && (WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP)
+ dir->_h = FindFirstFileEx(path_buf, FindExInfoStandard, &dir->_f, FindExSearchNameMatch, NULL, 0);
+#else
+ dir->_h = FindFirstFile(path_buf, &dir->_f);
+#endif
+ if (dir->_h == INVALID_HANDLE_VALUE)
+ {
+ errno = ENOENT;
+#else
+ dir->_d = _tinydir_opendir(path);
+ if (dir->_d == NULL)
+ {
+#endif
+ goto bail;
+ }
+
+ /* read first file */
+ dir->has_next = 1;
+#ifndef _MSC_VER
+#ifdef _TINYDIR_USE_READDIR
+ dir->_e = _tinydir_readdir(dir->_d);
+#else
+ /* allocate dirent buffer for readdir_r */
+ size = _tinydir_dirent_buf_size(dir->_d); /* conversion to int */
+ if (size == -1) return -1;
+ dir->_ep = (struct _tinydir_dirent*)_TINYDIR_MALLOC(size);
+ if (dir->_ep == NULL) return -1;
+
+ error = readdir_r(dir->_d, dir->_ep, &dir->_e);
+ if (error != 0) return -1;
+#endif
+ if (dir->_e == NULL)
+ {
+ dir->has_next = 0;
+ }
+#endif
+
+ return 0;
+
+bail:
+ tinydir_close(dir);
+ return -1;
+}
+
+_TINYDIR_FUNC
+int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path)
+{
+ /* Count the number of files first, to pre-allocate the files array */
+ size_t n_files = 0;
+ if (tinydir_open(dir, path) == -1)
+ {
+ return -1;
+ }
+ while (dir->has_next)
+ {
+ n_files++;
+ if (tinydir_next(dir) == -1)
+ {
+ goto bail;
+ }
+ }
+ tinydir_close(dir);
+
+ if (n_files == 0 || tinydir_open(dir, path) == -1)
+ {
+ return -1;
+ }
+
+ dir->n_files = 0;
+ dir->_files = (tinydir_file *)_TINYDIR_MALLOC(sizeof *dir->_files * n_files);
+ if (dir->_files == NULL)
+ {
+ goto bail;
+ }
+ while (dir->has_next)
+ {
+ tinydir_file *p_file;
+ dir->n_files++;
+
+ p_file = &dir->_files[dir->n_files - 1];
+ if (tinydir_readfile(dir, p_file) == -1)
+ {
+ goto bail;
+ }
+
+ if (tinydir_next(dir) == -1)
+ {
+ goto bail;
+ }
+
+ /* Just in case the number of files has changed between the first and
+ second reads, terminate without writing into unallocated memory */
+ if (dir->n_files == n_files)
+ {
+ break;
+ }
+ }
+
+ qsort(dir->_files, dir->n_files, sizeof(tinydir_file), _tinydir_file_cmp);
+
+ return 0;
+
+bail:
+ tinydir_close(dir);
+ return -1;
+}
+
+_TINYDIR_FUNC
+void tinydir_close(tinydir_dir *dir)
+{
+ if (dir == NULL)
+ {
+ return;
+ }
+
+ memset(dir->path, 0, sizeof(dir->path));
+ dir->has_next = 0;
+ dir->n_files = 0;
+ _TINYDIR_FREE(dir->_files);
+ dir->_files = NULL;
+#ifdef _MSC_VER
+ if (dir->_h != INVALID_HANDLE_VALUE)
+ {
+ FindClose(dir->_h);
+ }
+ dir->_h = INVALID_HANDLE_VALUE;
+#else
+ if (dir->_d)
+ {
+ _tinydir_closedir(dir->_d);
+ }
+ dir->_d = NULL;
+ dir->_e = NULL;
+#ifndef _TINYDIR_USE_READDIR
+ _TINYDIR_FREE(dir->_ep);
+ dir->_ep = NULL;
+#endif
+#endif
+}
+
+_TINYDIR_FUNC
+int tinydir_next(tinydir_dir *dir)
+{
+ if (dir == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ if (!dir->has_next)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+#ifdef _MSC_VER
+ if (FindNextFile(dir->_h, &dir->_f) == 0)
+#else
+#ifdef _TINYDIR_USE_READDIR
+ dir->_e = _tinydir_readdir(dir->_d);
+#else
+ if (dir->_ep == NULL)
+ {
+ return -1;
+ }
+ if (readdir_r(dir->_d, dir->_ep, &dir->_e) != 0)
+ {
+ return -1;
+ }
+#endif
+ if (dir->_e == NULL)
+#endif
+ {
+ dir->has_next = 0;
+#ifdef _MSC_VER
+ if (GetLastError() != ERROR_SUCCESS &&
+ GetLastError() != ERROR_NO_MORE_FILES)
+ {
+ tinydir_close(dir);
+ errno = EIO;
+ return -1;
+ }
+#endif
+ }
+
+ return 0;
+}
+
+_TINYDIR_FUNC
+int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file)
+{
+ const _tinydir_char_t *filename;
+ if (dir == NULL || file == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+#ifdef _MSC_VER
+ if (dir->_h == INVALID_HANDLE_VALUE)
+#else
+ if (dir->_e == NULL)
+#endif
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ filename =
+#ifdef _MSC_VER
+ dir->_f.cFileName;
+#else
+ dir->_e->d_name;
+#endif
+ if (_tinydir_strlen(dir->path) +
+ _tinydir_strlen(filename) + 1 + _TINYDIR_PATH_EXTRA >=
+ _TINYDIR_PATH_MAX)
+ {
+ /* the path for the file will be too long */
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+ if (_tinydir_strlen(filename) >= _TINYDIR_FILENAME_MAX)
+ {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ _tinydir_strcpy(file->path, dir->path);
+ if (_tinydir_strcmp(dir->path, TINYDIR_STRING("/")) != 0)
+ _tinydir_strcat(file->path, TINYDIR_STRING("/"));
+ _tinydir_strcpy(file->name, filename);
+ _tinydir_strcat(file->path, filename);
+#ifndef _MSC_VER
+#ifdef __MINGW32__
+ if (_tstat(
+#elif (defined _BSD_SOURCE) || (defined _DEFAULT_SOURCE) \
+ || ((defined _XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)) \
+ || ((defined _POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)) \
+ || ((defined __APPLE__) && (defined __MACH__)) \
+ || (defined BSD)
+ if (lstat(
+#else
+ if (stat(
+#endif
+ file->path, &file->_s) == -1)
+ {
+ return -1;
+ }
+#endif
+ _tinydir_get_ext(file);
+
+ file->is_dir =
+#ifdef _MSC_VER
+ !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
+#else
+ S_ISDIR(file->_s.st_mode);
+#endif
+ file->is_reg =
+#ifdef _MSC_VER
+ !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) ||
+ (
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DEVICE) &&
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) &&
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) &&
+#ifdef FILE_ATTRIBUTE_INTEGRITY_STREAM
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_INTEGRITY_STREAM) &&
+#endif
+#ifdef FILE_ATTRIBUTE_NO_SCRUB_DATA
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NO_SCRUB_DATA) &&
+#endif
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) &&
+ !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY));
+#else
+ S_ISREG(file->_s.st_mode);
+#endif
+
+ return 0;
+}
+
+_TINYDIR_FUNC
+int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i)
+{
+ if (dir == NULL || file == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ if (i >= dir->n_files)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ memcpy(file, &dir->_files[i], sizeof(tinydir_file));
+ _tinydir_get_ext(file);
+
+ return 0;
+}
+
+_TINYDIR_FUNC
+int tinydir_open_subdir_n(tinydir_dir *dir, size_t i)
+{
+ _tinydir_char_t path[_TINYDIR_PATH_MAX];
+ if (dir == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ if (i >= dir->n_files || !dir->_files[i].is_dir)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ _tinydir_strcpy(path, dir->_files[i].path);
+ tinydir_close(dir);
+ if (tinydir_open_sorted(dir, path) == -1)
+ {
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Open a single file given its path */
+_TINYDIR_FUNC
+int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path)
+{
+ tinydir_dir dir;
+ int result = 0;
+ int found = 0;
+ _tinydir_char_t dir_name_buf[_TINYDIR_PATH_MAX];
+ _tinydir_char_t file_name_buf[_TINYDIR_FILENAME_MAX];
+ _tinydir_char_t *dir_name;
+ _tinydir_char_t *base_name;
+#if (defined _MSC_VER || defined __MINGW32__)
+ _tinydir_char_t drive_buf[_TINYDIR_PATH_MAX];
+ _tinydir_char_t ext_buf[_TINYDIR_FILENAME_MAX];
+#endif
+
+ if (file == NULL || path == NULL || _tinydir_strlen(path) == 0)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX)
+ {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ /* Get the parent path */
+#if (defined _MSC_VER || defined __MINGW32__)
+#if ((defined _MSC_VER) && (_MSC_VER >= 1400))
+ errno = _tsplitpath_s(
+ path,
+ drive_buf, _TINYDIR_DRIVE_MAX,
+ dir_name_buf, _TINYDIR_FILENAME_MAX,
+ file_name_buf, _TINYDIR_FILENAME_MAX,
+ ext_buf, _TINYDIR_FILENAME_MAX);
+#else
+ _tsplitpath(
+ path,
+ drive_buf,
+ dir_name_buf,
+ file_name_buf,
+ ext_buf);
+#endif
+
+ if (errno)
+ {
+ return -1;
+ }
+
+/* _splitpath_s not work fine with only filename and widechar support */
+#ifdef _UNICODE
+ if (drive_buf[0] == L'\xFEFE')
+ drive_buf[0] = '\0';
+ if (dir_name_buf[0] == L'\xFEFE')
+ dir_name_buf[0] = '\0';
+#endif
+
+ /* Emulate the behavior of dirname by returning "." for dir name if it's
+ empty */
+ if (drive_buf[0] == '\0' && dir_name_buf[0] == '\0')
+ {
+ _tinydir_strcpy(dir_name_buf, TINYDIR_STRING("."));
+ }
+ /* Concatenate the drive letter and dir name to form full dir name */
+ _tinydir_strcat(drive_buf, dir_name_buf);
+ dir_name = drive_buf;
+ /* Concatenate the file name and extension to form base name */
+ _tinydir_strcat(file_name_buf, ext_buf);
+ base_name = file_name_buf;
+#else
+ _tinydir_strcpy(dir_name_buf, path);
+ dir_name = dirname(dir_name_buf);
+ _tinydir_strcpy(file_name_buf, path);
+ base_name = basename(file_name_buf);
+#endif
+
+ /* Special case: if the path is a root dir, open the parent dir as the file */
+#if (defined _MSC_VER || defined __MINGW32__)
+ if (_tinydir_strlen(base_name) == 0)
+#else
+ if ((_tinydir_strcmp(base_name, TINYDIR_STRING("/"))) == 0)
+#endif
+ {
+ memset(file, 0, sizeof * file);
+ file->is_dir = 1;
+ file->is_reg = 0;
+ _tinydir_strcpy(file->path, dir_name);
+ file->extension = file->path + _tinydir_strlen(file->path);
+ return 0;
+ }
+
+ /* Open the parent directory */
+ if (tinydir_open(&dir, dir_name) == -1)
+ {
+ return -1;
+ }
+
+ /* Read through the parent directory and look for the file */
+ while (dir.has_next)
+ {
+ if (tinydir_readfile(&dir, file) == -1)
+ {
+ result = -1;
+ goto bail;
+ }
+ if (_tinydir_strcmp(file->name, base_name) == 0)
+ {
+ /* File found */
+ found = 1;
+ break;
+ }
+ tinydir_next(&dir);
+ }
+ if (!found)
+ {
+ result = -1;
+ errno = ENOENT;
+ }
+
+bail:
+ tinydir_close(&dir);
+ return result;
+}
+
+_TINYDIR_FUNC
+void _tinydir_get_ext(tinydir_file *file)
+{
+ _tinydir_char_t *period = _tinydir_strrchr(file->name, TINYDIR_STRING('.'));
+ if (period == NULL)
+ {
+ file->extension = &(file->name[_tinydir_strlen(file->name)]);
+ }
+ else
+ {
+ file->extension = period + 1;
+ }
+}
+
+_TINYDIR_FUNC
+int _tinydir_file_cmp(const void *a, const void *b)
+{
+ const tinydir_file *fa = (const tinydir_file *)a;
+ const tinydir_file *fb = (const tinydir_file *)b;
+ if (fa->is_dir != fb->is_dir)
+ {
+ return -(fa->is_dir - fb->is_dir);
+ }
+ return _tinydir_strncmp(fa->name, fb->name, _TINYDIR_FILENAME_MAX);
+}
+
+#ifndef _MSC_VER
+#ifndef _TINYDIR_USE_READDIR
+/*
+The following authored by Ben Hutchings <ben@decadent.org.uk>
+from https://womble.decadent.org.uk/readdir_r-advisory.html
+*/
+/* Calculate the required buffer size (in bytes) for directory *
+* entries read from the given directory handle. Return -1 if this *
+* this cannot be done. *
+* *
+* This code does not trust values of NAME_MAX that are less than *
+* 255, since some systems (including at least HP-UX) incorrectly *
+* define it to be a smaller value. */
+_TINYDIR_FUNC
+size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp)
+{
+ long name_max;
+ size_t name_end;
+ /* parameter may be unused */
+ (void)dirp;
+
+#if defined _TINYDIR_USE_FPATHCONF
+ name_max = fpathconf(dirfd(dirp), _PC_NAME_MAX);
+ if (name_max == -1)
+#if defined(NAME_MAX)
+ name_max = (NAME_MAX > 255) ? NAME_MAX : 255;
+#else
+ return (size_t)(-1);
+#endif
+#elif defined(NAME_MAX)
+ name_max = (NAME_MAX > 255) ? NAME_MAX : 255;
+#else
+#error "buffer size for readdir_r cannot be determined"
+#endif
+ name_end = (size_t)offsetof(struct _tinydir_dirent, d_name) + name_max + 1;
+ return (name_end > sizeof(struct _tinydir_dirent) ?
+ name_end : sizeof(struct _tinydir_dirent));
+}
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+# if defined (_MSC_VER)
+# pragma warning(pop)
+# endif
+
+#endif